NCDTRND

# nco script by Feng He, 4/19/04, ncdtrnd
# this script calculates the mean of a data set and then detrends it by subtracting that mean.
# here is the demo of this command:
# say you want to calculate the anomaly of skt in ncep data skt.mon.ltm.nc
# and you want to generate the skta.mon.ltm.nc that stores the anomaly you
# calculate: